ó
àÆ÷Xc           @` s   d  d l  m Z m Z m Z d  d l Z d  d l Z d  d l m Z e si d  d l	 m
 Z
 e
 d ƒ ‚ n  d  d l m Z m Z d
 d	 „ Z d S(   i    (   t   absolute_importt   print_functiont   divisionN(   t   cudamat_available(   t   SkipTests>   gnumpy not installed. Skip test of theano op with pycuda code.(   t   cudandarray_to_cudamatt   cudamat_to_cudandarrayi   i   c         C` sg  t  j j j j } | t  j j d ƒ ƒ } t  j | g | | d ƒ ƒ } t j	 t j
 j |  Œ  d d ƒ} t  j j j | ƒ } t | ƒ } t | ƒ } | | ƒ } | j ƒ  } | t  j j j t j	 d g g d d ƒƒ 7} t j	 | ƒ } t j	 | ƒ }	 | j d ƒ j	 ƒ  }
 t | |	 ƒ j ƒ  d k s2t ‚ t | |
 j j | j ƒ ƒ j ƒ  d k sct ‚ d S(   s9   
    Make sure that the cudamat conversion is exact.
    t   Ui   t   dtypet   float32i    N(   t   theanot   sandboxt   cudat	   basic_opst   gpu_from_hostt   tensort   fmatrixt   functiont   npt   asarrayt   randomt   randt   CudaNdarrayR   R   t   copyt   addt   abst   maxt   AssertionErrort   Tt   reshapet   shape(   R   t   gpuR   t   iit   A_cput   A_cndt   A_cmatt   B_cndt   ut   vt   w(    (    sD   /tmp/pip-build-X4mzal/theano/theano/misc/tests/test_cudamat_utils.pyt   test   s    !."(   i   i   (   t
   __future__R    R   R   t   numpyR   R
   t   theano.misc.cudamat_utilsR   t   nose.plugins.skipR   R   R   R(   (    (    (    sD   /tmp/pip-build-X4mzal/theano/theano/misc/tests/test_cudamat_utils.pyt   <module>   s   